89958143 has 4 divisors (see below), whose sum is σ = 98136168. Its totient is φ = 81780120.

The previous prime is 89958131. The next prime is 89958151. The reversal of 89958143 is 34185998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89958143 - 2⁶ = 89958079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89958343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4088996 + ... + 4089017.

It is an arithmetic number, because the mean of its divisors is an integer number (24534042).

Almost surely, 2^89958143 is an apocalyptic number.

89958143 is a deficient number, since it is larger than the sum of its proper divisors (8178025).

89958143 is a wasteful number, since it uses less digits than its factorization.

89958143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178024.

The product of its digits is 311040, while the sum is 47.

The square root of 89958143 is about 9484.6266663480. The cubic root of 89958143 is about 448.0709904907.

The spelling of 89958143 in words is "eighty-nine million, nine hundred fifty-eight thousand, one hundred forty-three".